Model L™ Ultra-High Efficiency Rooftop Units

Lennox Strategos RTU 

Model L® Ultra-High Efficiency Rooftop Units

Welcome to the Rooftop Revolution



Here are some of the top features:

Energy Optimization

  • Up to 22.5 SEER, up to 15 EER and up to 23.3 IEER
  • Available in 3 to 25 tons (gas/electric and electric/electric)
  • ENERGY STAR® qualified
  • Optimized humidity control with enhanced dehumidification and optional Humiditrol reduces energy usage over traditional hot-gas reheat systems.
  • Qualifies for rebate programs, delivering even more ways to save money

Engineered Intelligence

  • The Lennox CORE Control System delivers connected service, open integration, reliable performance, and efficiency optimization to empower all parts of your organization
  • Mobile App interface provides intuitive guided setup, reports, and parameter adjustment to optimize unit operatiom


  • Model L rooftop units maximize the efficiency of maintenance and service operations, reducing operational costs and minimizing downtime. 




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